Bridge construction inspection covers foundations, substructure, superstructure, deck, and railing. Pile driving inspection: dynamic monitoring per AASHTO T-298 on test piles. Bearing capacity verification by pile driving analyzer (PDA) or static load test. Drilled shaft inspection: concrete placement by tremie method below water, cross-hole sonic logging (CSL) testing. Steel erection: bolt torque verification, weld inspection per AWS D1.5 Bridge Welding Code.
References: AASHTO current edition, PA Standard Specifications, FHWA Technical Advisories, and applicable federal regulations (23 CFR). Contractors shall maintain current copies of all referenced standards on the project site.
Source: PennDOT Construction Manual, 2024 Edition. Pages 17–18 of 29.